libmetrics: solaris: reorder functions to avoid extern
libmetrics: solaris: reorder functions to avoid extern

move network metric collection functions up so they don't
need a forward declaration and mark them as static (local)


git-svn-id: 27e0aca8c7a52a9ae65dfba2e16879604119af8c@1889 93a4e39c-3214-0410-bb16-828d8e3bcd0f

fastly/ganglia,fastly/ganglia,fastly/ganglia,fastly/ganglia,fastly/ganglia